The low-voltage complete switch equipment drawer
Technical field
The utility model relates to a kind of functional unit device of switch cubicle, relates to a kind of low-voltage complete switch equipment drawer specifically, relates in particular to drawer interlocking mechanism, drawer divide-shut brake and anti-misoperation mechanism.
Background technology
Existing drawout cubicle has link position, test position and separation point position, and each drawer and switch are provided with mechanical interlocks, and during the switch disjunction, drawer can be extracted out or insert, and when switch closed a floodgate, drawer can not be extracted out or insert.The problem that this structure exists mainly shows: one, inconvenient operation, can not all lock three positions, and fail safe is lower; When two, partial fault occurring, be unfavorable for maintenance; Three, existing drawout cubicle does not have the drawer recognition device, easily forms the operation of mistake interchangeability; Four, do not have to close a floodgate and the anti-misoperation function fragile connector; Five, existing drawout cubicle belongs to mandatory combined floodgate, damages components and parts easily.In addition, existing drawer spare special purpose parts is many, operation inconvenience, and maintenance is complicated, and amount of purchase is big, and the cost height is difficult for making.
Summary of the invention
The utility model is intended to the deficiency that exists at existing drawout cubicle, the low-voltage complete switch equipment drawer that provide a kind of and have interlock, can guarantee safety of operators, compact conformation, convenience easy to operate, easy to maintenance, power supply are reliable, are easy to make.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of low-voltage complete switch equipment drawer comprises drawer body, circuit-breaker switching on-off handle, turnover line plug, it is characterized in that: take out body header board inboard and be provided with drawer divide-shut brake and anti-misoperation mechanism, drawer turnover interlocking device; Described drawer passes in and out interlocking device and comprises that the propelling drawer moves to the propulsion plant of separation point position, experiment position, link position, inserts angle of rake propelling handle, is arranged on the patchhole that the drawer front appearance advances handle to pass through from drawer front; Circuit breaker extension rod between described circuit-breaker switching on-off handle and the circuit breaker and locking plate mounted thereto and the anti-misoperation card that is arranged on the dust panel of drawer-bottom board bottom constitute drawer divide-shut brake and anti-misoperation mechanism, locking plate flexibly connects with the rotatable lamella that is installed on the circuit breaker extension rod, locking plate one end is the anti-misoperation catch that cooperates with the anti-misoperation card, the other end is the propelling catch that cooperates with the propelling handle patchhole of propulsion plant, and the drawer-bottom board at anti-misoperation catch horizontal anomalous movement scope place is provided with the catch groove.
Described propulsion plant is a curve turbine propulsion device, on the ahead turbine shaft circumference face of turbine propulsion device the turbine chute is set, be provided with the location pushing ram that cooperates with the turbine chute with turbine shaft midline position corresponding position on the dust panel of drawer-bottom board lower end, the turbine propulsion axle that ahead turbine the place ahead connects and advances the handle blocking to cooperate, the turbine propulsion axle is corresponding with propelling handle and patchhole position.
Described rotatable lamella is stuck on the circuit breaker extension rod, and locking plate and rotatable lamella are hinged and perpendicular to circuit breaker extension rod length direction horizontal arrangement.
Its both lengthwise positions were corresponding when the anti-misoperation catch of described anti-misoperation card and locking plate was between experiment position and the link position at drawer, both lateral attitude correspondences when the circuit breaker extension rod is in the separating brake position.
The solid section of the propelling catch of locking plate was corresponding with the patchhole position that advances handle when described circuit breaker extension rod was in closing position, and the hollow parts of the propelling catch of locking plate is corresponding with the patchhole position that advances handle when being in the separating brake position.
The utility model also comprises the drawer detent mechanism, and this drawer detent mechanism comprises the position fixing handle that is positioned at the drawer front outside, is positioned at inboard locating shaft, the spacer that is connected with locating shaft that is connected with position fixing handle of drawer front, the location hole that is arranged on blocking spacer on drawer-bottom board and the dust panel.
Described location hole is the three grades of settings in front and back.
Described drawer position fixing handle is provided with the padlock of restriction handle rotation and buckles.
Described drawer-bottom board and dust panel are provided with the drawer identifying hole of model coupling.
Described drawer propulsion plant also is provided with and shows the display board that advances the position, display board is connected on the propulsion plant through mounting panel, display board and mounting panel chute-type are connected, display board is corresponding with the cardan shaft vertical direction, display board is provided with flat tooth mouth, and the cardan shaft excircle is provided with the tooth bar with described flat tooth mouth engagement.
Inside, described cardan shaft outer end is interior hexagonal, mates with advancing the handle profile.
Advantage of the present utility model is:
One, because the utility model has adopted drawer turnover interlocking device, interlocking device is to bringing convenience property of operating personnel, fail safe and reliability thus, has interlock, can guarantee safety of operators, convenience easy to operate, easy to maintenance.
Two, the utility model dividing plate, drawer body, drawer divide-shut brake and the anti-misoperation mechanism that adopt formulate according to technological requirement, have corresponding annexation, play that handling safety, power supply are reliable, the effect of compact conformation and preventative combined floodgate.
Three, the utility model adopts the drawer detent mechanism, mainly plays positioning action, and the effect that prevents other staff's misoperation.
Four, the utility model adopts the drawer recognition device, mainly in the drawer interchange process, plays the safety effect of control.
Five, the utility model adopts the sign of link position, experiment position and open position, plays operating personnel position indicative function, prevents misoperation.
Six, the parts of the utility model inside are standardized, and special purpose parts is less, are fit to the batch process of factory and buying in batches, help the effect of enhancing productivity and reducing cost.
Accompanying drawing and drawing explanation
Fig. 1 is the plan structure schematic diagram of the utility model in the separation point position
Fig. 2 is the forward sight cross-sectional view of the utility model in the separation point position
Fig. 3 is the front board structure schematic diagram of the utility model in the separation point position
Fig. 4 looks cross-sectional view for the utility model on the right side of separation point position
Fig. 5 is the plan structure schematic diagram of the utility model in the experiment position
Fig. 6 is the forward sight cross-sectional view of the utility model in the experiment position
Fig. 7 is the front board structure schematic diagram of the utility model in the experiment position
Fig. 8 is the plan structure schematic diagram of the utility model at link position
Fig. 9 is the forward sight cross-sectional view of the utility model at link position
Figure 10 is the front board structure schematic diagram of the utility model at link position
Figure 11 is that the utility model passes in and out the forward sight structural representation that interlocking device cooperates at experiment position drawer divide-shut brake and anti-misoperation mechanism with drawer
Figure 12 is that the utility model passes in and out the plan structure schematic diagram that interlocking device cooperates at experiment position drawer divide-shut brake and anti-misoperation mechanism with drawer
Figure 13 is the forward sight structural representation of the utility model in experiment position drawer turnover interlocking device
Figure 14 is that the utility model is at experiment position drawer turnover interlocking device left side TV structure schematic diagram
Figure 15 is that the utility model is in experiment position drawer turnover interlocking device cross-sectional view
Figure 16 is that the utility model passes in and out the forward sight structural representation that interlocking device cooperates at link position drawer divide-shut brake and anti-misoperation mechanism with drawer
Figure 17 is that the utility model passes in and out the plan structure schematic diagram that interlocking device cooperates at experiment position drawer divide-shut brake and anti-misoperation mechanism with drawer
Figure 18 is the utility model dust panel plan structure schematic diagram
Embodiment
A kind of low-voltage complete switch equipment drawer comprises drawer body, circuit-breaker switching on-off handle 1, turnover line plug 2, takes out body header board 3 inboards and is provided with drawer divide-shut brake and anti-misoperation mechanism, drawer turnover interlocking device; Described drawer turnover interlocking device comprises the propulsion plant that advances drawer to move to turnover line plug to be in separation point position, experiment position, link position respectively, inserts angle of rake propelling handle, is arranged on drawer front 3 and holds the patchhole 4 that advances handles to pass through from drawer front 3; Circuit breaker extension rod 6 between described circuit-breaker switching on-off handle 1 and the circuit breaker 5 and locking plate 7 mounted thereto and the anti-misoperation card 10 that is arranged on the dust panel 9 of drawer-bottom board 8 bottoms constitute drawer divide-shut brake and anti-misoperation mechanisms, locking plate 7 flexibly connects with the rotatable lamella 11 that is installed on the circuit breaker extension rod 6, locking plate 7 one ends for be arranged on dividing plate 9 on the anti-misoperation catch 12 that cooperates of anti-misoperation card 10, the other end is the propelling catch 13 that cooperates with the propelling handle patchhole 4 of propulsion plant, and the drawer-bottom board 8 at anti-misoperation catch 12 horizontal anomalous movement scope places is provided with catch groove 14.
Described propulsion plant is a discontinuous curve turbine propulsion device 29, on the ahead turbine 15 shaft circumference faces of turbine propulsion device turbine chute 16 is set, be provided with the location pushing ram 17 that cooperates with turbine chute 16 with turbine 15 rotating shaft midline position corresponding positions on the dust panel 9 of drawer-bottom board 8 lower ends, the turbine propulsion axle 18 that ahead turbine 15 the place aheads connect and advance the handle blocking to cooperate, turbine propulsion axle 18 is corresponding with propelling handle and patchhole 4 positions.Certainly, propulsion plant also can adopt other structure types, and its purpose is to advance drawer to different electric states.
Rotatable lamella 11 is stuck on the circuit breaker extension rod 6, and locking plate 7 and rotatable lamella 11 are hinged and perpendicular to circuit breaker extension rod 6 length direction horizontal arrangement.Its both lengthwise positions were corresponding when the anti-misoperation catch 12 of described anti-misoperation card 10 and locking plate 7 was between experiment position and the link position at drawer, both lateral attitude correspondences when circuit breaker extension rod 6 is in the separating brake position, promptly when drawer is between experiment position and the link position, anti-misoperation catch 12 falls in the catch groove 14, and cooperate with 10 blockings of anti-misoperation card, drawer can't advance, can drawer be advanced into link position when guaranteeing the experiment position by mistake, avoid causing danger.The solid section of the propelling catch 13 of locking plate 7 was corresponding with patchhole 4 positions that advance handle when circuit breaker extension rod 6 was in closing position, advance the hollow parts of catch 13 corresponding when being in the separating brake position with patchhole 4 positions that advance handle, when having guaranteed that circuit breaker 5 is in "on" position, can drawer be advanced into link position by mistake, avoid causing danger.
The utility model also is provided with the drawer detent mechanism, and this drawer detent mechanism comprises the position fixing handle 19 that is positioned at drawer front 3 outsides, is positioned at inboard locating shaft 20, the spacer 21 that is connected with locating shaft 20 that is connected with position fixing handle 19 of drawer front, the location hole 22 that is arranged on blocking spacer 21 on drawer-bottom board 8 and the dust panel 9.Location hole 22 is the three grades of settings in front and back (also can be other progression).Drawer position fixing handle 19 is provided with the padlock of restriction handle rotation and buckles 23.Drawer-bottom board 8 and dust panel 9 are provided with the drawer identifying hole 24 of model coupling.State the drawer propulsion plant and also be provided with the display board 25 that shows the propelling position, display board 25 is connected on the propulsion plant through mounting panel 26, display board 25 is connected with mounting panel 26 chute-types, display board 25 is corresponding with cardan shaft 18 vertical directions, display board 25 is provided with flat tooth mouth, and cardan shaft 18 excircles are provided with the tooth bar with described flat tooth mouth engagement.Inside, cardan shaft 18 outer ends is interior hexagonal, mates with advancing the handle profile.
Drawer divide-shut brake and anti-misoperation mechanism: this mechanism is that it can make drawer and dust panel 9 be related by deciliter the working of circuit breaker 5.When drawer was between experiment and the link position, this mechanism did not allow to close a floodgate, and closed a floodgate after reliable the connection to prevent connector, avoided causing connector to damage; Simultaneously, when drawer was in disconnection, test position, patchhole 4 was to be in closed condition, can not operate, and was in link position and work as drawer, and patchhole 4 is to be in open mode, can operate.Anti-misoperation mechanism is a kind of mechanism that is associated with circuit breaker, and it can not connect when making drawer between experiment and link position, to avoid danger.
Drawer turnover interlocking device drives drawer is moved together.Drawer turnover interlocking device adopts discontinuous curve Worm gear mechanism, can embody the function of three positions (disconnect, test and be connected), be that it can make drawer move on dust panel, and produce different position relations, as: open position, experiment position and link position.
Location hole 22, ventilation hole 30, identifying hole 24 and Secondary socket installing hole etc. are arranged on the dust panel.Location hole 22 is to play the role of positioning that deviation, ventilation hole 26 do not take place when allowing drawer insert has been that effect, the identifying hole 24 of drawer ventilation and heat is in order to prevent that the dissimilar drawer of identical modulus from loading in mixture.Dust panel 9 is installed in the drawout cubicle, and it is divided into the space of some identical or different moduluses with drawout cubicle, in order to place the drawer of identical or different modulus.
The location hole 22 of drawer detent mechanism can be corresponding with three positions difference on the dust panel when open position, experiment position and link position, position fixing handle 19 can be located drawer, control its turnover, and can on position fixing handle 19, add padlock, just can carry out move operation after getting lock, prevent other staff's misoperation.When drawer turnover interlocking device promotes drawer in each position, all there is location hole 22 corresponding with it, at this moment rotate the drawer detent mechanism, spacer 21 just pins in this location hole, plays positioning action.
The dividing plate 9 below drawer and the base plate 8 of drawer body are towards the drawer identifying hole 24 of some, corresponding screw is installed on drawer identifying hole 24, mainly be for the drawer of discerning identical modulus, different size and grade misplug into, and the functional unit drawer of identical modulus, same size can be realized exchanging easily.
One of the utility model drawer, drawer divide-shut brake and anti-misoperation mechanism, drawer turnover interlocking device, connector (an inlet wire plug with an outlet plug), secondary connector (secondary inlet wire plug and secondary outlet plug), drawer detent mechanism, drawer recognition device, position indication (is connected, tests and disconnect), electric elements formation is cell cube independently.Inlet wire plug, outlet plug and secondary outlet plug are installed in the drawer upstream end, the secondary output socket is installed on the dust panel, a leading-in socket and an output socket on inlet wire plug and outlet plug and drawout cubicle vertical bus 27 frameworks cooperatively interact, be used for inlet wire and outlet, secondary outlet plug on the drawer and the secondary output socket 28 on the dust panel cooperatively interact.A connector (an inlet wire plug and an outlet plug 2) is to connect drawer major loop and the bus 27 of drawout cubicle cabinet or the connector of cable, and when being in link position, a connector is all at closed (connection) state.Secondary connector (secondary inlet wire plug and secondary outlet plug) is the connector that is connected the drawer subsidiary loop, and when being in test and link position, the secondary connector is all at closed (connection) state.
Link position, experiment position and open position: clearly this drawer is in the process that advances, and which type of state drawer is in; And on the display board of the propulsion plant in the drawer turnover interlocking device, respectively three positions are shown automatically, play operating personnel position indicative function, prevent misoperation.When drawer was between test and the link position, this mechanism does not allow to close a floodgate, and was safe and reliable with what guarantee to operate.
Dust panel makes between the drawer function unit separates clear and rational at interval, has ventilation hole on the dust panel both sides that electric elements are not installed.Can not influence other (facing mutually) functional unit because of a certain unit breaks down.
The utility model electric elements mainly comprise circuit breaker, contactor, instrument transformer, gauge table, control button and signal lamp etc.